18691671960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{128837}}^1$

素因数の和:128898

約数の個数: 192

約数和(自身を含む): 67531726080

約数和(自身を除く): 48840054120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3627, 3720, 4030, 4680, 4836, 5580, 6045, 7254, 8060, 9672, 11160, 12090, 14508, 16120, 18135, 24180, 29016, 36270, 48360, 72540, 128837, 145080, 257674, 386511, 515348, 644185, 773022, 1030696, 1159533, 1288370, 1546044, 1674881, 1932555, 2319066, 2576740, 3092088, 3349762, 3865110, 3993947, 4638132, 5024643, 5153480, 5797665, 6699524, 7730220, 7987894, 8374405, 9276264, 10049286, 11595330, 11981841, 13399048, 15073929, 15460440, 15975788, 16748810, 19969735, 20098572, 23190660, 23963682, 25123215, 30147858, 31951576, 33497620, 35945523, 39939470, 40197144, 46381320, 47927364, 50246430, 51921311, 59909205, 60295716, 66995240, 71891046, 75369645, 79878940, 95854728, 100492860, 103842622, 119818410, 120591432, 143782092, 150739290, 155763933, 159757880, 179727615, 200985720, 207685244, 239636820, 259606555, 287564184, 301478580, 311527866, 359455230, 415370488, 467291799, 479273640, 519213110, 602957160, 623055732, 718910460, 778819665, 934583598, 1038426220, 1246111464, 1437820920, 1557639330, 1869167196, 2076852440, 2336458995, 3115278660, 3738334392, 4672917990, 6230557320, 9345835980, 18691671960]

約数ペア:

[(1, 18691671960), (2, 9345835980), (3, 6230557320), (4, 4672917990), (5, 3738334392), (6, 3115278660), (8, 2336458995), (9, 2076852440), (10, 1869167196), (12, 1557639330), (13, 1437820920), (15, 1246111464), (18, 1038426220), (20, 934583598), (24, 778819665), (26, 718910460), (30, 623055732), (31, 602957160), (36, 519213110), (39, 479273640), (40, 467291799), (45, 415370488), (52, 359455230), (60, 311527866), (62, 301478580), (65, 287564184), (72, 259606555), (78, 239636820), (90, 207685244), (93, 200985720), (104, 179727615), (117, 159757880), (120, 155763933), (124, 150739290), (130, 143782092), (155, 120591432), (156, 119818410), (180, 103842622), (186, 100492860), (195, 95854728), (234, 79878940), (248, 75369645), (260, 71891046), (279, 66995240), (310, 60295716), (312, 59909205), (360, 51921311), (372, 50246430), (390, 47927364), (403, 46381320), (465, 40197144), (468, 39939470), (520, 35945523), (558, 33497620), (585, 31951576), (620, 30147858), (744, 25123215), (780, 23963682), (806, 23190660), (930, 20098572), (936, 19969735), (1116, 16748810), (1170, 15975788), (1209, 15460440), (1240, 15073929), (1395, 13399048), (1560, 11981841), (1612, 11595330), (1860, 10049286), (2015, 9276264), (2232, 8374405), (2340, 7987894), (2418, 7730220), (2790, 6699524), (3224, 5797665), (3627, 5153480), (3720, 5024643), (4030, 4638132), (4680, 3993947), (4836, 3865110), (5580, 3349762), (6045, 3092088), (7254, 2576740), (8060, 2319066), (9672, 1932555), (11160, 1674881), (12090, 1546044), (14508, 1288370), (16120, 1159533), (18135, 1030696), (24180, 773022), (29016, 644185), (36270, 515348), (48360, 386511), (72540, 257674), (128837, 145080)]